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Finding the Fourth Proportional to 5,768.08, 7,958.76 and 3,671.44

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Solution

The fourth proportional to 5,768.08, 7,958.76 and 3,671.44 is: 5,065.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.08 : 7,958.76 = 3,671.44 : x
  2. Step 2: Convert to fraction form
    5,768.08/7,958.76 = 3,671.44/x
  3. Step 3: Cross multiply
    5,768.08x = 7,958.76 × 3,671.44
  4. Step 4: Simplify right side
    5,768.08x = 29,220,109.81
  5. Step 5: Solve for x
    x = 29,220,109.81/5,768.08
  6. Step 6: Final answer
    x = 5,065.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.